SWEBOLT & BOTNIA BOLT supply fully threaded hex bolts according to ISO 4017 and DIN 933, in property class 8.8 per ISO 898-1. Bolts feature metric coarse thread (M) and are available in several finishes including zinc-plated (ZN), hot-dip galvanized (HDG), and plain. Used in construction, industry, and maintenance, where strength and reliability are required.